11003020000 has 120 divisors (see below), whose sum is σ = 30936484656. Its totient is φ = 3772416000.

The previous prime is 11003019977. The next prime is 11003020009. The reversal of 11003020000 is 2030011.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003020009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100704 + ... + 179296.

Almost surely, 2^11003020000 is an apocalyptic number.

11003020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11003020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15468242328).

11003020000 is an abundant number, since it is smaller than the sum of its proper divisors (19933464656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11003020000 is an frugal number, since it uses more digits than its factorization.

11003020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78630 (or 78607 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 11003020000 its reverse (2030011), we get a palindrome (11005050011).

The spelling of 11003020000 in words is "eleven billion, three million, twenty thousand".